[1] At that time, the area was part of the vast Diocese of Cusco.

On June 25, 1847 Pope Pius IX erected the Diocese of Cochabamaba from the Metropolitan Archdiocese of La Plata and Diocese of Santa Cruz de la Sierra.

[2] On July 30, 1975 the diocese was promoted to the Metropolitan Archdiocese of Cochabamba.

[3] The Pan y Amor program of the Archdiocese of St. Louis supports the Salomon Klein Children's Home in Cochabamba.

[4] The church of St. Pius X in Cochabamaba serves a Maryknoll mission made up of a number of local Christian communities or assemblies.